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Finding the Fourth Proportional to 83,391.62, 125,094.31 and 27,230.48

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Solution

The fourth proportional to 83,391.62, 125,094.31 and 27,230.48 is: 40,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,391.62 : 125,094.31 = 27,230.48 : x
  2. Step 2: Convert to fraction form
    83,391.62/125,094.31 = 27,230.48/x
  3. Step 3: Cross multiply
    83,391.62x = 125,094.31 × 27,230.48
  4. Step 4: Simplify right side
    83,391.62x = 3,406,377,413.02
  5. Step 5: Solve for x
    x = 3,406,377,413.02/83,391.62
  6. Step 6: Final answer
    x = 40,847.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.